*{
	margin: 0;
	padding: 0;
	list-style: none;
}

a{
	text-decoration: none;
}

nav{
	text-align: center;
	background: #333;
	height: 80px;
}

.ulone{
	float: right;
}

.ulone>li{
	float: left;
	width: 200px;
	height: 80px;
	
}

a{
	line-height: 80px;
	color: white;
}


.ultwo{
	background: #333;
}

.ulone:hover>li{
	color: ;
}


.father{
	position: relative;
}

.ultwo{
	position: absolute;
	display: none;
}

.ultwo li{
	width: 200px;
	top: 80px;
	
}

.father:hover .ultwo{
	display: block;
}
